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Mitsubishi Q02CPU

Mitsubishi Q02CPU
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App
- 29
Appendix 2 Special Register List
APPENDICES
(1) Diagnostic Information
TableApp.18 Special register
Number Name Meaning Explanation
Set by
(When set)
Corres-
ponding
ACPU
D9
Corresponding
CPU
SD0
Diagnostic
errors
Diagnosis error
code
Error codes for errors found by diagnosis are stored as BIN data.
Contents identical to latest fault history information.
S (Error)
D9008
format
change
Rem
SD1
Clock time for
diagnosis error
occurrence
Clock time for
diagnosis error
occurrence
Year (last two digits) and month that SD0 data was updated is stored as
BCD 2-digit code.
S (Error) New
SD2
The day and hour that SD0 was updated is stored as BCD 2-digit code.
SD3
The minute and second that SD0 data was updated is stored as BCD 2-
digit code.
SD4
Error
information
categories
Error information
category code
Category codes which help indicate what type of information is being
stored in the common information areas (SD5 through SD15) and the
individual information areas (SD16 through SD26) are stored here.
The category code for judging the the error information type is stored.
The common information category codes store the following codes:
0 : No error
1: Unit/module No./ PLC No./Base No.
*
2: File name/Drive name
3: Time (value set)
4: Program error location
5: System switching cause (for Q4ARCPU, Redundant CPU only)
6: Reason(s) for tracking capacity excess error (specific to Redundant
CPU)
7: Power supply No. (specific to Redundant CPU)
8: Tracking transmission data classification (specific to Redundant CPU)
*: For a multiple CPU system that consists of the Basic model QCPU,
High Performance model QCPU and Process CPU, the module
number or CPU number is stored depending on the error that
occurred.
(Refer to the corresponding error code for which number has been
stored.)
PLC No. 1: 1, PLC No. 2: 2, PLC No. 3: 3, PLC No. 4: 4
The individual information category codes store the following codes:
0: No error
1: (Vacancy)
2: File name/Drive name
3: Time (value actually measured)
4: Program error location
5: Parameter number
6: Annunciator number
7: Check instruction malfunction number (This does not apply to the
Basic model QCPU)
8: Reason(s) for system switching failure (specific to Redundant CPU)
S (Error) New
b15
b7
b0b8
to to
Year (0 to 99) Month (1 to 12)
(Example) October, 1995
H9510
b15 b7 b0b8
to to
Day (1 to 31) Hour (0 to 23)
(Example) 10 a.m. on 25th
H2510
b15 b7 b0b8to to
Minutes (0 to 59) Seconds (0 to 59)
(Example) 35 min. 48 sec.
H3548
b15
b7
b0b8
to to
Individual information
category codes
Common information
category codes

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